Coastal Erosion and Formation Features
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Questions and Answers

What is the term for a form of erosion where sea water dissolves the mineral dissolving of rock by acid in water?

  • Rock Armour
  • Sea wall
  • Hydraulic action
  • Solution (correct)
  • What is the most common wind direction known as?

  • Swash
  • Stack
  • Prevailing wind (correct)
  • Stump
  • What is a long narrow accumulation of sand and shingle that grows out from the coastline called?

  • Wave Cut Platform
  • Spit (correct)
  • Stack
  • Stump
  • What is the breakdown of rocks at the Earth's surface known as?

    <p>Weathering</p> Signup and view all the answers

    What is the term for the gradual movement of material along a coast by waves meeting the shore at an angle?

    <p>Longshore drift</p> Signup and view all the answers

    What is a form of erosion where water traps air in cracks and the force of the water itself against the cliffs can cause them to crack?

    <p>Hydraulic action</p> Signup and view all the answers

    Which coastal feature is formed when waves erode through a headland?

    <p>Arch</p> Signup and view all the answers

    What is a concrete wall built to protect a coastline from erosion called?

    <p>Sea wall</p> Signup and view all the answers

    What is the term for a hollow in a cliff formed by wave action enlarging a crack in the cliff?

    <p>Cave</p> Signup and view all the answers

    What is the process of waves depositing material on beaches called?

    <p>Constructive waves</p> Signup and view all the answers

    What is the term for the powerful waves with more backwash than swash that erode beaches?

    <p>Destructive waves</p> Signup and view all the answers

    What is the term for putting fresh sand on a beach to replace what has been lost to erosion?

    <p>Beach nourishment</p> Signup and view all the answers

    Study Notes

    Coastal Geography and Erosion Principles

    • Coastal Erosion via Chemical Action: Erosion occurs when sea water dissolves minerals in rock due to the acidic nature of water, leading to the gradual breakdown of coastal formations.
    • Prevailing Wind Direction: The most common wind direction impacting coastal processes is known as the prevailing wind.
    • Coastal Accumulations: A long, narrow accumulation of sand and shingle that extends from the coastline is referred to as a spit.
    • Weathering of Rocks: The breakdown of rocks at the Earth's surface, influenced by environmental factors, is known as weathering.
    • Longshore Drift Mechanism: Gradual movement of sediment along a coast occurs as waves approach the shore at an angle, a process termed longshore drift.
    • Hydraulic Action Erosion: A form of coastal erosion occurs when water traps air in rock cracks, and the force of waves can create pressure that leads to rock cracking and erosion.
    • Formation of Coastal Features: A coastal feature known as an arch is formed when waves erode through a headland, creating an opening.
    • Coastal Protection Structures: A seawall is a concrete wall constructed to protect coastlines from erosion and mitigate damage from wave activity.
    • Cliff Erosion Features: The term for a hollow in a cliff, created by the erosion action of waves enlarging a crack, is known as a cave.
    • Deposition Process: The process through which waves deposit materials on beaches, contributing to beach formation, is called deposition.
    • Backwash Dominance: Powerful waves that have more backwash than swash are responsible for significant erosion of beaches.
    • Beach Nourishment: The act of adding fresh sand to a beach to compensate for erosion loss is referred to as beach nourishment.

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    Description

    Test your knowledge of coastal erosion and formation features with this quiz. Learn about longshore drift, abrasion, arches, beach nourishment, and other key terms related to coastal geography.

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